CVE-2026-7223 json
BigSweetPotatoStudio HyperChat AI Proxy Middleware aiProxyMiddleware.mts fetch server-side request forgery
published 2026-04-28 6 mo ago modified 2026-07-24 3 mo ago also GHSA-r2jq-4h3x-rfj6 , EUVD-2026-25980
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
A vulnerability was identified in BigSweetPotatoStudio HyperChat up to 2.0.0-alpha.63. Affected by this issue is the function fetch of the file packages/core/src/http/aiProxyMiddleware.mts of the component AI Proxy Middleware. Such manipulation of the argument baseurl leads to server-side request forgery. The attack can be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/BigSweetPotatoStudio/HyperChat/issues/142 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| CNA | 3.0 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| CNA | 4.0 | 5.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @dadigua/hyperchat | <=2.0.0-alpha.63 |
no fix listed |
Affected products
- BigSweetPotatoStudio HyperChat
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
github.com
/BigSweetPotatoStudio/HyperChat/issues/142
exploit, issue-tracking, web
-
vuldb.com
/vuln/359823
vdb-entry, technical-description, web
-
vuldb.com
/vuln/359823/cti
signature, permissions-required, web
-
vuldb.com
/submit/802265
third-party-advisory, web
-
github.com
/BigSweetPotatoStudio/HyperChat/
product
-
nvd.nist.gov
/vuln/detail/CVE-2026-7223
advisory
-
github.com
/BigSweetPotatoStudio/HyperChat
package
Sources
- CVE List CVE-2026-7223
- GitHub Advisory GHSA-r2jq-4h3x-rfj6
- NVD CVE-2026-7223
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